MOUNTING PLATE 136.5MM ALUMINIUM; Plate Type:Mounting; Plate Material:Aluminium; Plate Color:Silver; For Use With:AW16-9-18 AWN16-9-18 AWP16-9-18 & AWA15-8-16 Heatsink Aluminum Enclosures; External Depth - Metric:155.6mm ;RoHS Compliant: Yes